Commander creatures you own have "Whenever one or more nontoken creatures you control deal combat damage to a player, you create a 1/1 blue Faerie Dragon creature token with flying."

{X}, {T}: Target creature gets -X/+X until end of turn.

Dungeoneer's Pack enters the battlefield tapped. {2}, {T}, Sacrifice Dungeoneer's Pack: You take the initiative, gain 3 life, draw a card, and create a Treasure token. Activate only as a sorcery. (A Treasure token is an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

When Sarevok's Tome enters the battlefield, you take the initiative. {T}: Add {C}. If you have the initiative, add {C}{C} instead. {3}, {T}: Exile cards from the top of your library until you exile a nonland card. You may cast that card without paying its mana cost. Activate only if you've completed a dungeon.

When Trailblazer's Torch enters the battlefield, you take the initiative. Whenever equipped creature becomes blocked, it deals 2 damage to each creature blocking it. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Flying When Aarakocra Sneak enters the battlefield, you take the initiative.

As long as it's your turn, each creature assigns combat damage equal to its toughness rather than its power. Whenever Baldin, Century Herdmaster attacks, up to one hundred target creatures each get +0/+X until end of turn, where X is the number of cards in your hand.

Spells your opponents cast that target Charix, the Raging Isle cost {2} more to cast. {3}: Charix gets +X/-X until end of turn, where X is the number of Islands you control.

Defender {T}: Creatures you control gain haste until end of turn.

Flash

Daxos's toughness is equal to your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.) Whenever another creature you control enters the battlefield or dies, you gain 1 life.

Morph—Reveal a blue card in your hand. (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Dragon's Eye Savants is turned face up, look at target opponent's hand.

When Feywild Caretaker enters the battlefield, you take the initiative. At the beginning of your end step, if you have the initiative, create a 1/1 blue Faerie Dragon creature token with flying.

Defender, flying Prevent all combat damage that would be dealt to and dealt by Fog Bank.

Giant Ox crews Vehicles using its toughness rather than its power.

Defender (This creature can't attack.)

Whenever you cast a blue, black, or red spell, you gain 1 life.

Flying, lifelink Each legendary permanent you control has ward {2}. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Vigilance When Goliath Paladin enters the battlefield, you take the initiative.

Heroic — Whenever you cast a spell that targets Lagonna-Band Trailblazer, put a +1/+1 counter on Lagonna-Band Trailblazer.

Whenever another creature with power 2 or less enters the battlefield under your control, you may pay {1}. If you do, draw a card.

At the beginning of your upkeep, you gain 1 life.

Landfall — Whenever a land enters the battlefield under your control, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

Exploit (When this creature enters the battlefield, you may sacrifice a creature.) When Sidisi's Faithful exploits a creature, return target creature to its owner's hand.

Defender (This creature can't attack.)

Creatures you control with power or toughness 1 or less can't be blocked.

Whenever a player draws their second card during their turn, you draw a card. Whenever a player casts their second spell during their turn, you create a 2/2 white Knight creature token.

When Tomb of Horrors Adventurer enters the battlefield, you take the initiative. Whenever you cast your second spell each turn, copy it. If you've completed a dungeon, copy that spell twice instead. You may choose new targets for the copies. (A copy of a permanent spell becomes a token.)

Defender {2}: Until end of turn, target creature with defender gains haste, can attack as though it didn't have defender, and assigns combat damage equal to its toughness rather than its power. Activate only as a sorcery.

Defender, flying Shroud (This creature can't be the target of spells or abilities.)

Defender Whenever Wall of Frost blocks a creature, that creature doesn't untap during its controller's next untap step.

Defender (This creature can't attack.) Whenever Wall of Hope is dealt damage, you gain that much life.

Defender

Defender When Wall of Omens enters the battlefield, draw a card.

Defender When Wall of Resurgence enters the battlefield, you may put three +1/+1 counters on target land you control. If you do, that land becomes a 0/0 Elemental creature with haste that's still a land.

Defender, flying Cumulative upkeep—An opponent gains 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When White Plume Adventurer enters the battlefield, you take the initiative. At the beginning of each opponent's upkeep, untap a creature you control. If you've completed a dungeon, untap all creatures you control instead.

Creatures you control get +0/+1. Sacrifice Angelic Shield: Return target creature to its owner's hand.

Enchant Wall Enchanted Wall can attack as though it didn't have defender.

Commander creatures you own have "Room abilities of dungeons you own trigger an additional time."

Enchant creature Enchanted creature gets +0/+4. Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Enchant creature Enchanted creature gets +1/+5.

Flash Enchant creature Enchanted creature gets +0/+10.

Counter target spell. You gain 3 life.

Target creature gets +1/+7 until end of turn.

Creatures you control get +0/+4 until end of turn.

Target creature gets +2/+7 until end of turn. Untap it.

({T}: Add {U}.)